1 /*
2 * Copyright (c) 2023-2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "dp_utils.h"
17
18 #include "bundle_mgr_interface.h"
19 #include "dp_log.h"
20 #include "ipc_skeleton.h"
21 #include "iservice_registry.h"
22 #include "system_ability_definition.h"
23
24 namespace OHOS {
25 namespace CameraStandard {
26 namespace DeferredProcessing {
GetGlobalWatchdog()27 Watchdog& GetGlobalWatchdog()
28 {
29 static Watchdog instance("DPSGlobalWatchdog");
30 return instance;
31 }
32
GetClientBundle(int uid)33 std::string GetClientBundle(int uid)
34 {
35 std::string bundleName = "";
36 auto samgr = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
37 if (samgr == nullptr) {
38 DP_ERR_LOG("Get ability manager failed");
39 return bundleName;
40 }
41
42 sptr<IRemoteObject> object = samgr->GetSystemAbility(BUNDLE_MGR_SERVICE_SYS_ABILITY_ID);
43 if (object == nullptr) {
44 DP_DEBUG_LOG("object is NULL.");
45 return bundleName;
46 }
47
48 sptr<OHOS::AppExecFwk::IBundleMgr> bms = iface_cast<OHOS::AppExecFwk::IBundleMgr>(object);
49 if (bms == nullptr) {
50 DP_DEBUG_LOG("bundle manager service is NULL.");
51 return bundleName;
52 }
53
54 auto result = bms->GetNameForUid(uid, bundleName);
55 if (result != ERR_OK || bundleName.empty()) {
56 DP_ERR_LOG("GetBundleNameForUid fail");
57 return "";
58 }
59 AppExecFwk::BundleInfo bundleInfo;
60 bms->GetBundleInfo(bundleName,
61 static_cast<int32_t>(AppExecFwk::GetBundleInfoFlag::GET_BUNDLE_INFO_WITH_APPLICATION),
62 bundleInfo, AppExecFwk::Constants::ALL_USERID);
63 std::string versionName = bundleInfo.versionName;
64 if (versionName.empty()) {
65 DP_ERR_LOG("get versionName form application failed.");
66 return "";
67 }
68 DP_INFO_LOG("bundle name is %{public}s versionName:%{public}s", bundleName.c_str(), versionName.c_str());
69
70 return bundleName;
71 }
72
GetDpsCallerInfo()73 DpsCallerInfo GetDpsCallerInfo()
74 {
75 DpsCallerInfo dpsCallerInfo;
76 dpsCallerInfo.pid = IPCSkeleton::GetCallingPid();
77 dpsCallerInfo.uid = IPCSkeleton::GetCallingUid();
78 dpsCallerInfo.tokenID = IPCSkeleton::GetCallingTokenID();
79 dpsCallerInfo.bundleName = GetClientBundle(dpsCallerInfo.uid);
80 DP_DEBUG_LOG("GetDpsCallerInfo pid:%{public}d uid:%{public}d", dpsCallerInfo.pid, dpsCallerInfo.uid);
81 return dpsCallerInfo;
82 }
83
ParseKeyValue(const std::string & input)84 std::unordered_map<std::string, std::string> ParseKeyValue(const std::string& input)
85 {
86 std::unordered_map<std::string, std::string> result;
87 std::stringstream src(input);
88 std::string pair;
89 while (std::getline(src, pair, ':')) {
90 size_t pos = pair.find('=');
91 if (pos != std::string::npos) {
92 std::string key = pair.substr(0, pos);
93 std::string value = pair.substr(pos + 1);
94 result[key] = value;
95 }
96 }
97 return result;
98 }
99 } // namespace DeferredProcessing
100 } // namespace CameraStandard
101 } // namespace OHOS